Self-lubricating journal-bearing.



J. B. CURTIS.

SELF LUBRIGATING JOURNAL BEARING.

APPLICATION FILED 00T.2l. 1905.

QULtneoom PATENTED JUNE 26, 1906.

5] t wawfoa plan View of the sectional bushing.

JOHJ B. CU.

h in No. see-c284 lp'gxllaetion filed October 21, 305" Emir-11in- To all whom itmay concern;

Be it known that 1, JOHN B. lun'ris, citizen of the United States, residinv at No. 1234 Prospect avenue, Bronx, New fork, in county of New York and State oi New York, have invented new and useful improvements in Self Lubricating Journal Bearings, which the following is :1 specification.

This invention relates to e selfilul'aricoting journal-bearing for the supporting oz in elements of dei'ricke, such guy suopoit s ide r-plates or brace-none ofwierricks, o ject of the invention being to 2- wide u tie vice oft-his nature which obviz tee the necessity of frequently lubricating t1 eee elemen of a derrick which are (lifiicult of eec reduces wee upon the sup/pen which ern1its oi the ready reznoi all Worn pin or journal-bushing when occasion re un'es.

he referred embodiment oi the invention is i lustreted in the accompanying drew-- Lin s, in whioh *igm'e 1 is a plan View showing the cpplication of the invention in connection WI l3- spider-plate. and its supporting-pin. 1s a'sectionel View of the some. F1

an inner face View of one of the sect j thereof. Fig. 5 is e section on line 0 Fig. 2.

Referring now more jaei'ticului'ly to drawings,- the numeral ll deb' nete "a ing element of derrick, which. Show the present instance in the form of a son. but may consist a b1acingerm of ordizv construction, the invention bel Mu Well adapted for epplimtion to th I guide-(leniehs U? the larzu-ingmime of ing-(lerricks, the bra 'ug element- L vided in each case with a bore o ope receive the usual sulportlug-pin, as oil readily understood hy those "-rereeil in the the pin which constitut the spider or lira rest.

a. seeteupport on which. lg element 1 is adapted to The outer or upper end of the journal t projects beyond oi above the spider and is slotted to receive it tapered key 8, which holds the e .1 51 in position. thereon.

one-ed X thin the here 2 is a sectional which may he made of some 01 ller metal pur'oose. This bushing is end Filth e flange 10 to seat In binning element. ensuing consists of two subi'ical sections anal .=.2, pic-- etl' upon their inner faces with pits or re- 13 to reduce frictional contact with the I ill enzl to i'ecei'e and retain a suitable lubricant.

The Slul, one 1?. and. 12 when asseznhled. the bore Yule an antui'iction Jmehing for the journal and are meintunieal in assembled relation end. held ie fOTLDG l with a collar or head 7,

from tution hv the flange 10, which letter is i My (2' ei angular term and fits Q 1 within the recess 3, which is of corresponding tel-n1, end is retained therein by the Weight of the spider: and strain thereon preseing the fian e a nst e s rut-collar '7.

I mm. to forego description. taken in connection vol 1 t accompanying drawl1 the u istrucdlon and mode of operation oi my 5.1 J ed j ournal-hemiug for derrick ients ll be readily understood. its is oil linoun, these elements are arranged at lJl' 'clie Where they cannot be ere ordinarily inaccessible, e not often, iulin'lcetecl they and rust iuici went away to that they ii'ei'guently snap and to parts of the i'lei icltwhilc the den use. to a considerable extent, as the bushing v. ill reduce h'iction on the journal of the pin in the luhricated for a lon perio .l I scribed the invention, whet SEl'f-llil) icating jennui-hearing for the bracin eieinente of cleriieke, the combinet i i 1 swing t. o journal e orovicled ml the other .nul 51. rece1v- My invention o bviatcs'this 7 being; an annuiar head 011 said 3011:1121 porfiawns, mounted upon the film tion and owned iih s. more of the same, the haw being arranged no hem: 1.110 ace of the head, and the m bore being enlarged to m0 gulm. form, a sectiamfi lrwuslu'i and about the copemti-ngjounm the pin, said bushing having fest: w a ainst the head and formed angular flange seated in said rscsss 

